Alpha decay properties of the semi-magic nucleus Np-219

doi:10.1016/j.physletb.2017.12.017

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Alpha decay properties of the semi-magic nucleus Np-219
	Liu, ML ; Xiao, GQ ; Xu, HS ; Zhou, XH ; Ren, ZZ ; Zhou, SG; Duan, LM ; Liu, Z ; Wang, JG ; Wang, YS
刊名	PHYSICS LETTERS B
	2018
卷号	777 页码:212-216
关键词	SUBSHELL CLOSURE SPECTROSCOPY Z=92
ISSN号	0370-2693
DOI	10.1016/j.physletb.2017.12.017
英文摘要	The semi-magic nucleus Np-219 was produced in the fusion reaction Re-187(Ar-36, 4n)Np-219 at the gas-filled recoil separator SHANS (Spectrometer for Heavy Atoms and Nuclear Structure). A fast electronics system based on waveform digitizers was used in the data acquisition and the sampled pulses were processed by digital algorithms. The reaction products were identified using spatial and time correlations between the implants and subsequent alpha decays. According to the observed alpha-decay chain, an energy of E-alpha = 9039(40) keV and a half-life of T-1/2 = 0.15(-0.07)(+0.72) ms were determined for Np-219. The deduced proton binding energy of Np-219 fits well into the systematics, which gives another evidence of that there is no sub-shell closure at Z = 92. The influence of the N = 126 shell closure on the stability of Np isotopes is discussed within the framework of alpha-decay reduced widths. (c) 2017 The Author(s). Published by Elsevier B.V.
学科主题	Astronomy & Astrophysics ; Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/22958]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.Tian, Y. L. 2.[Yang, H. B. 3.Ma, L. 4.Zhang, Z. Y. 5.Yang, C. L. 6.Gan, Z. G. 7.Zhang, M. M. 8.Huang, M. H. 9.Yu, L. 10.Jiang, J.
推荐引用方式 GB/T 7714	Liu, ML,Xiao, GQ,Xu, HS,et al. Alpha decay properties of the semi-magic nucleus Np-219[J]. PHYSICS LETTERS B,2018,777:212-216.
APA	Liu, ML.,Xiao, GQ.,Xu, HS.,Zhou, XH.,Ren, ZZ.,...&Yang, HB.(2018).Alpha decay properties of the semi-magic nucleus Np-219.PHYSICS LETTERS B,777,212-216.
MLA	Liu, ML,et al."Alpha decay properties of the semi-magic nucleus Np-219".PHYSICS LETTERS B 777(2018):212-216.